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water

Big chamber where scientists were able to conduct the mud experiments
Posted inNews

Salt May Be Key to Martian Mudflows

by Larissa G. Capella 9 April 2025

Mars probably has mud volcanoes, and salt might be the ingredient that keeps the flow going.

A large machine irrigates crops as the Sun rises in the background. The machine stretches into the distance out of frame and looks similar to a skeleton of a creature with many sets of legs.
Posted inResearch Spotlights

“Thirstwaves” Are Growing More Common Across the United States

by Rebecca Owen 7 April 20257 April 2025

Like heat waves, these periods of high atmospheric demand for water can damage crops and ecosystems and increase pressure on water resources. New research shows they’re becoming more severe.

Posted inNews

Asteroid Samples Suggest a Solar System of Ancient, Salty Incubators

by Molly Herring 2 April 20252 April 2025

The discovery of salty mineral evaporites on Ryugu indicates that watery environments may have been widespread in the early solar system.

A reddish planet appears with a blue ocean covering most of its upper half
Posted inNews

Buried Sediments Point to an Ancient Ocean on Mars

Katherine Kornei, Science Writer by Katherine Kornei 26 March 202526 March 2025

Ground-penetrating radar data collected by the Zhurong rover reveal gently sloping sediments in Mars’s northern lowlands that hint at a shoreline.

A mostly flat landscape is dotted with mounds, which give way to taller volcanic cones in the background.
Posted inResearch Spotlights

Water Stored in the Mantle for Millions of Years May Be Linked to Continental Volcanism

by Rebecca Owen 19 March 202519 March 2025

New research shows that intraplate volcanism is more likely to occur over areas of the mantle that are more hydrated—particularly those that have been hydrated for a long, long time.

A woman in a sunny kitchen pours water from a kitchen tap into a filter pitcher.
Posted inResearch Spotlights

Trust in Evanston Tap Water Depends on Gender, Race, and Past Experiences

by Nathaniel Scharping 17 March 202517 March 2025

Residents of the relatively high income Illinois city share why they trust the water in their taps—and others share why they stay away.

A wetland under a sunny sky.
Posted inResearch & Developments

EPA Moves to Rewrite Water Rules Following Sackett Decision

by Grace van Deelen 12 March 202517 November 2025

EPA administrator Lee Zeldin announced today that the agency would kick off a review of EPA rules and redefine “waters of the United States” to ensure that the agency aligns with the 2023 Supreme Court decision Sackett v. Environmental Protection Agency (EPA), which limited the implementation of the Clean Water Act.

A rocky riverbed with two small streams surrounded by gray mountains. There are some green patches of plants and some snow on the peaks.
Posted inNews

Megadroughts Have Grown in Size and Scope

by Rebecca Owen 6 February 20256 February 2025

A new study maps and ranks the largest, longest-lasting, and most severe multiyear droughts from 1980 to 2018.

Illustration of astronauts using rock hammers to collect samples on the Moon
Posted inNews

Human Activities Might Create Temporary Atmospheres on the Moon

by Jonathan O’Callaghan 11 December 202411 December 2024

Outgassing could pose problems for long-term habitation of the Moon, including health hazards for astronauts, hindrances for electronics, and hampered scientific study.

Cover cropping in the United States
Posted inNews

Cover Cropping May Not Be Cash Crop Panacea

by Pragathi Ravi 10 December 202410 December 2024

Intended to improve soil health, these crops are also associated with moisture depletion at shallow depths, which significantly impacts cash crop yields in arid regions.

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